121114550 has 72 divisors (see below), whose sum is σ = 248916360. Its totient is φ = 43718400.

The previous prime is 121114549. The next prime is 121114559. The reversal of 121114550 is 55411121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121114559) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 502430 + ... + 502670.

Almost surely, 2^121114550 is an apocalyptic number.

121114550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121114550 is an abundant number, since it is smaller than the sum of its proper divisors (127801810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121114550 is a wasteful number, since it uses less digits than its factorization.

121114550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 121114550 is about 11005.2055864486. The cubic root of 121114550 is about 494.7647761760.

Adding to 121114550 its reverse (55411121), we get a palindrome (176525671).

It can be divided in two parts, 12111 and 4550, that added together give a palindrome (16661).

The spelling of 121114550 in words is "one hundred twenty-one million, one hundred fourteen thousand, five hundred fifty".